<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <!-- el-form
		:model: 指向收集的表单的数据对象
		:rules: 指向表单的验证规则对象,存储了所有的验证规则
       -->
      <el-form class="reg"
               :model="formData"
               :rules="formRules"
               ref="formRef">
        <!-- el-form-item prop="" 指向具体验证规则 -->
        <el-form-item prop="username">
          <el-input v-model="formData.username"
                    prefix-icon="el-icon-user"
                    placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formData.password"
                    prefix-icon="el-icon-lock"
                    placeholder="请输入密码"></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input v-model="formData.repassword"
                    prefix-icon="el-icon-lock"
                    placeholder="请确认密码"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button @click="submitForm"
                     type="primary"
                     style="width: 100%">注册</el-button>
          <el-link>去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Register',
  data() {
    // 校验两次密码是否一致
    var samePwd = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'))
      } else if (value !== this.formData.password) {
        callback(new Error('两次输入密码不一致!'))
      } else {
        callback()
      }
    }
    return {
      // 注册表单的数据对象
      formData: {
        username: '',
        password: '',
        repassword: '',
      },
      //   表单的验证规则对象,存储了所有验证规则
      formRules: {
        // 校验用户名
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: '请输入1-10位的用户名',
            trigger: 'blur',
          },
        ],
        // 校验密码
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            pattern: /^\S{6,10}$/,
            message: '密码必须是6-15位的非空字符',
            trigger: 'blur',
          },
        ],
        // 校验确认密码
        repassword: [
          //   { required: true, message: "请确认密码", trigger: "blur" },

          { validator: samePwd, trigger: 'blur' },
        ],
      },
    }
  },
  methods: {
    submitForm() {
      this.$refs.formRef.validate(async (valid) => {
        // valid:返回值 trun || false
        // 所有校验通过返回trun 失败一个返回false
        if (!valid) return
        // 校验通过发送请求
        const { data: res } = await this.$axios.post('/api/reg', this.formData)
        console.log(res)
        if (res.code !== 0) return this.$message.error(res.message)
        // console.log('ok')
        // 成功提示
        this.$message.success(res.message)
        // 跳转页面登录页  this.$router  编程式导航
        this.$router.push('/login')
      })
    },
  },
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('@/assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('@/assets/images/login_title.png') center no-repeat;
    }
  }

  .el-form {
    padding: 0 25px;
  }

  .btn-reg {
    width: 100%;
  }
  .reg {
    padding: 0 25px;
  }
}
</style>
